參數(shù)資料
型號: STPCI2HDYC
廠商: STMICROELECTRONICS
元件分類: 外設(shè)及接口
英文描述: MULTIFUNCTION PERIPHERAL, PBGA516
封裝: PLASTIC, BGA-516
文件頁數(shù): 96/109頁
文件大?。?/td> 2430K
代理商: STPCI2HDYC
STPC ATLAS
Issue 1.1 - March 23, 2004
87/109
6.3.10. USB INTERFACE
The STPC integrates a USB host interface with a
2-port Hub. The only external device needed are
the ESD protection circuits USBDF02W5 and a
USB
power
supply
controller.
describes a typical implementation using these
devices.
Figure 6-16. Typical USB implementation
POWERON
STPC
TPS2014
OC
USBDMNS[0]
USBDPLS[0]
USBDMNS[1]
USBDPLS[1]
5V
Connector
GND
9
10
11
12
1
2
6
7
3
4
8
5
100nF 2x 47uF
5
4
6,7,8
5V
2,3
1
USBVCC
100nF
5V
TPS2014
Power Decoupling
R = 15 Ohm
USBDF02W5
(note 1)
1
34
5
2
R = 15 Ohm
USBDF02W5
(note 1)
1
34
5
2
Note 1: The ESD protection will be adequate for most applications. In some instances, problems may occur
if the devices on the USB chain do not have enough power to drive the signals adequately. We therefore
recommend that you replace the part with discrete components and reduce the value of the capacitor.
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